Home / 168,955.91-233,157.38-91,429.86

Finding the Fourth Proportional to 168,955.91, 233,157.38 and 91,429.86

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Solution

The fourth proportional to 168,955.91, 233,157.38 and 91,429.86 is: 126,172.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,955.91 : 233,157.38 = 91,429.86 : x
  2. Step 2: Convert to fraction form
    168,955.91/233,157.38 = 91,429.86/x
  3. Step 3: Cross multiply
    168,955.91x = 233,157.38 × 91,429.86
  4. Step 4: Simplify right side
    168,955.91x = 21,317,546,611.37
  5. Step 5: Solve for x
    x = 21,317,546,611.37/168,955.91
  6. Step 6: Final answer
    x = 126,172.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.